HomeBody > Trunk Lid and CompartmentStrongArm 6423 Trunk Lid Lift Support
Part #: 6423

StrongArm 6423 Trunk Lid Lift Support

9 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Lexus, SC430
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Trunk Lid Lift Support for Lexus SC430

Restore smooth, controlled trunk lid operation with this StrongArm trunk lid lift support. Built for the 2002-2010 Lexus SC430 with spoiler, it provides the force needed to hold the trunk lid open securely and help maintain consistent lift performance.

  • Specific-fit trunk lid lift support for the Lexus SC430
  • Compressed length: 10.51 in.; extended length: 14.76 in.
  • Stroke length: 4.25 in. with 100.0 maximum force
  • Black steel outer cylinder for durable construction
  • Ball socket (nylon) 10mm ends on both sides
  • Rubber and Teflon materials for smoother operation
  • Fits 2002-2010 Lexus SC430, with spoiler

Built for Controlled Trunk Lid Support

StrongArm Part Number 6423 is a specific-fit trunk lid lift support engineered for the Lexus SC430. It uses pressurized cylinder construction to help support the rear trunk lid with steady lift and controlled movement, while the nylon ball socket ends simplify attachment to the factory mounting points. The steel outer cylinder, internal sealing materials, and 100.0 force rating are selected to deliver consistent operation in daily use. This part number 6423 is also referenced under AMS Automotive 6423 for the same application.

Common Problems This Part Can Address

  • Trunk lid drops too quickly when opened
  • Rear lid will not stay raised securely
  • Weak or inconsistent lift assistance
  • Rough, sticky, or uneven trunk lid movement
  • Worn gas strut performance on a Lexus SC430 with spoiler

Installation Notes and Tips

Verify the vehicle application before installation: Fits 2002-2010 Lexus SC430, with spoiler. Match the compressed length, extended length, and 10mm ball socket ends to the original support before removal. For proper balance and safe operation, replace lift supports in pairs when the opposite side is also worn. Confirm the trunk lid opens and closes smoothly after installation.

Quality Assurance

StrongArm lift supports are custom engineered and manufactured to exceed industry standards for smoother operation and longer service life. Part Number 6423 is built for specific-fit replacement on the Lexus SC430 platform and cross-references Monroe Shocks & Struts 819-6204 for the same application.

BrandStrongArm
Part Number6423
Compressed Length10.51
Cylinder Outside Diameter22.0
End 1 TypeBall Socket (Nylon) 10mm
End 2 TypeBall Socket (Nylon) 10mm
Extended Length14.76
Inner Shaft Diameter10.0
Internal Rebound SpringNo
MaterialsRubber
MaterialsTeflon
Maximum Force100.0
Outer Cylinder ColorBlack
Outer Cylinder MaterialSteel
Stroke Length4.25
Universal Or Specific FitSpecific

This part fits 9 vehicles. Search below:

YearMakeModelPositionNotes
2010LexusSC430N/Awith Spoiler
2009LexusSC430N/Awith Spoiler
2008LexusSC430N/Awith Spoiler
2007LexusSC430N/Awith Spoiler
2006LexusSC430N/Awith Spoiler
2005LexusSC430N/Awith Spoiler
2004LexusSC430N/Awith Spoiler
2003LexusSC430N/Awith Spoiler
2002LexusSC430N/Awith Spoiler

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

642364530-2405064530-24051819-6204900323E6423E96423

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.